A copy of the mbed USBDevice with USBSerial library
Dependents: STM32L0_LoRa Smartage STM32L0_LoRa Turtle_RadioShuttle
targets/TARGET_NUVOTON/TARGET_M480/USBHAL_M480.cpp
- Committer:
- Helmut64
- Date:
- 2018-02-05
- Revision:
- 0:a3ea811f80f2
File content as of revision 0:a3ea811f80f2:
/* mbed Microcontroller Library * Copyright (c) 2015-2016 Nuvoton * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #if defined(TARGET_M480) #include "USBHAL.h" #include "M480.h" #include "pinmap.h" /** * EP: mbed USBD defined endpoint, e.g. EP0OUT/IN, EP1OUT/IN, EP2OUT/IN. * EPX: BSP defined endpoint, e.g. CEP, EPA, EPB, EPC. */ USBHAL * USBHAL::instance; #if (MBED_CONF_TARGET_USB_DEVICE_HSUSBD == 0) /* Global variables for Control Pipe */ extern uint8_t g_usbd_SetupPacket[]; /*!< Setup packet buffer */ static volatile uint32_t s_ep_compl = 0; static volatile uint32_t s_ep_buf_ind = 8; static volatile uint8_t s_usb_addr = 0; static volatile uint8_t s_ep_data_bit[NUMBER_OF_PHYSICAL_ENDPOINTS] = {1}; static volatile uint8_t s_ep_mxp[NUMBER_OF_PHYSICAL_ENDPOINTS] = {0}; extern volatile uint8_t *g_usbd_CtrlInPointer; extern volatile uint32_t g_usbd_CtrlInSize; extern volatile uint8_t *g_usbd_CtrlOutPointer; extern volatile uint32_t g_usbd_CtrlOutSize; extern volatile uint32_t g_usbd_CtrlOutSizeLimit; extern volatile uint32_t g_usbd_UsbConfig; extern volatile uint32_t g_usbd_CtrlMaxPktSize; extern volatile uint32_t g_usbd_UsbAltInterface; volatile uint32_t g_usbd_CepTransferLen = 0; volatile uint32_t frame_cnt = 0; USBHAL::USBHAL(void) { SYS_UnlockReg(); s_ep_buf_ind = 8; memset(epCallback, 0x00, sizeof (epCallback)); epCallback[0] = &USBHAL::EP1_OUT_callback; epCallback[1] = &USBHAL::EP2_IN_callback; epCallback[2] = &USBHAL::EP3_OUT_callback; epCallback[3] = &USBHAL::EP4_IN_callback; epCallback[4] = &USBHAL::EP5_OUT_callback; epCallback[5] = &USBHAL::EP6_IN_callback; epCallback[6] = &USBHAL::EP7_OUT_callback; epCallback[7] = &USBHAL::EP8_IN_callback; epCallback[8] = &USBHAL::EP9_OUT_callback; epCallback[9] = &USBHAL::EP10_IN_callback; epCallback[10] = &USBHAL::EP11_OUT_callback; epCallback[11] = &USBHAL::EP12_IN_callback; instance = this; /* Configure USB to Device mode */ SYS->USBPHY = (SYS->USBPHY & ~SYS_USBPHY_USBROLE_Msk) | SYS_USBPHY_USBROLE_STD_USBD; /* Enable USB PHY */ SYS->USBPHY |= SYS_USBPHY_USBEN_Msk | SYS_USBPHY_SBO_Msk; /* Select IP clock source */ CLK->CLKDIV0 = (CLK->CLKDIV0 & ~CLK_CLKDIV0_USBDIV_Msk) | CLK_CLKDIV0_USB(4); /* Enable IP clock */ CLK_EnableModuleClock(USBD_MODULE); /* Configure pins for USB 1.1 port: VBUS/D+/D-/ID */ pin_function(PA_12, SYS_GPA_MFPH_PA12MFP_USB_VBUS); pin_function(PA_13, SYS_GPA_MFPH_PA13MFP_USB_D_N); pin_function(PA_14, SYS_GPA_MFPH_PA14MFP_USB_D_P); pin_function(PA_15, (int) SYS_GPA_MFPH_PA15MFP_USB_OTG_ID); /* Initial USB engine */ USBD->ATTR = 0x7D0; /* Set SE0 (disconnect) */ USBD_SET_SE0(); //NVIC_SetVector(OTG_FS_IRQn, (uint32_t) &_usbisr); NVIC_SetVector(USBD_IRQn, (uint32_t) &_usbisr); NVIC_EnableIRQ(USBD_IRQn); } USBHAL::~USBHAL(void) { NVIC_DisableIRQ(USBD_IRQn); USBD_SET_SE0(); USBD_DISABLE_PHY(); } void USBHAL::connect(void) { USBD->STBUFSEG = 0; frame_cnt = 0; /* EP0 ==> control IN endpoint, address 0 */ USBD_CONFIG_EP(EP0, USBD_CFG_CSTALL | USBD_CFG_EPMODE_IN | 0); /* Buffer range for EP0 */ USBD_SET_EP_BUF_ADDR(EP0, s_ep_buf_ind); /* EP1 ==> control OUT endpoint, address 0 */ USBD_CONFIG_EP(EP1, USBD_CFG_CSTALL | USBD_CFG_EPMODE_OUT | 0); /* Buffer range for EP1 */ USBD_SET_EP_BUF_ADDR(EP1, s_ep_buf_ind); s_ep_buf_ind += MAX_PACKET_SIZE_EP0; /* Disable software-disconnect function */ USBD_CLR_SE0(); /* Clear USB-related interrupts before enable interrupt */ USBD_CLR_INT_FLAG(USBD_INT_BUS | USBD_INT_USB | USBD_INT_FLDET | USBD_INT_WAKEUP); /* Enable USB-related interrupts. */ USBD_ENABLE_INT(USBD_INT_BUS | USBD_INT_USB | USBD_INT_FLDET | USBD_INT_WAKEUP); } void USBHAL::disconnect(void) { /* Set SE0 (disconnect) */ USBD_SET_SE0(); } void USBHAL::configureDevice(void) { /** * In USBDevice.cpp > USBDevice::requestSetConfiguration, configureDevice() is called after realiseEndpoint() (in USBCallback_setConfiguration()). * So we have the following USB buffer management policy: * 1. Allocate for CEP on connect(). * 2. Allocate for EPX in realiseEndpoint(). * 3. Deallocate all except for CEP in unconfigureDevice(). */ } void USBHAL::unconfigureDevice(void) { s_ep_buf_ind = 8; } void USBHAL::setAddress(uint8_t address) { // NOTE: Delay address setting; otherwise, USB controller won't ack. s_usb_addr = address; } void USBHAL::remoteWakeup(void) { #if 0 USBD->OPER |= USBD_OPER_RESUMEEN_Msk; #endif } bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options) { uint32_t ep_type = 0; uint32_t ep_hw_index = NU_EP2EPH(endpoint); uint32_t ep_logic_index = NU_EP2EPL(endpoint); uint32_t ep_dir = (NU_EP_DIR(endpoint) == NU_EP_DIR_IN) ? USBD_CFG_EPMODE_IN : USBD_CFG_EPMODE_OUT; if(ep_logic_index == 3 || ep_logic_index == 4) ep_type = USBD_CFG_TYPE_ISO; USBD_CONFIG_EP(ep_hw_index, ep_dir | ep_type | ep_logic_index); /* Buffer range */ USBD_SET_EP_BUF_ADDR(ep_hw_index, s_ep_buf_ind); if(ep_dir == USBD_CFG_EPMODE_OUT) USBD_SET_PAYLOAD_LEN(ep_hw_index, maxPacket); s_ep_mxp[ep_logic_index] = maxPacket; s_ep_buf_ind += maxPacket; return true; } void USBHAL::EP0setup(uint8_t *buffer) { uint32_t sz; endpointReadResult(EP0OUT, buffer, &sz); } void USBHAL::EP0read(void) { } void USBHAL::EP0readStage(void) { // N/A USBD_PrepareCtrlOut(0,0); } uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { uint32_t i; uint8_t *buf = (uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP1)); uint32_t ceprxcnt = USBD_GET_PAYLOAD_LEN(EP1); for (i = 0; i < ceprxcnt; i ++) buffer[i] = buf[i]; USBD_SET_PAYLOAD_LEN(EP1, MAX_PACKET_SIZE_EP0); return ceprxcnt; } void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { if (buffer && size) { if(s_ep_data_bit[0] & 1) USBD_SET_DATA1(EP0); else USBD_SET_DATA0(EP0); s_ep_data_bit[0]++; USBD_MemCopy((uint8_t *)USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP0), buffer, size); USBD_SET_PAYLOAD_LEN(EP0, size); if(size < MAX_PACKET_SIZE_EP0) s_ep_data_bit[0] = 1; } else { if(g_usbd_SetupPacket[0] & 0x80) { //Device to Host // Status stage // USBD_PrepareCtrlOut(0,0); } else { USBD_SET_DATA1(EP0); USBD_SET_PAYLOAD_LEN(EP0, 0); } } } void USBHAL::EP0getWriteResult(void) { // N/A } void USBHAL::EP0stall(void) { stallEndpoint(EP0OUT); } EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { return EP_PENDING; } EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) //spcheng { if(endpoint == EP0OUT) { USBD_MemCopy(g_usbd_SetupPacket, (uint8_t *)USBD_BUF_BASE, 8); if (buffer) { USBD_MemCopy(buffer, g_usbd_SetupPacket, 8); } USBD_SET_PAYLOAD_LEN(EP1, MAX_PACKET_SIZE_EP0); } else { uint32_t i; uint8_t *buf = (uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(NU_EP2EPH(endpoint))); uint32_t eprxcnt = USBD_GET_PAYLOAD_LEN(NU_EP2EPH(endpoint)); for (i = 0; i < eprxcnt; i ++) buffer[i] = buf[i]; *bytesRead = eprxcnt; USBD_SET_PAYLOAD_LEN(NU_EP2EPH(endpoint),s_ep_mxp[NU_EPH2EPL(NU_EP2EPL(endpoint))]); } return EP_COMPLETED; } uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { return 0; } EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { uint32_t ep_logic_index = NU_EP2EPL(endpoint); if(ep_logic_index == 0) return EP_INVALID; else { uint8_t *buf; uint32_t i=0; uint32_t ep_hw_index = NU_EP2EPH(endpoint); s_ep_compl |= (1 << ep_logic_index); buf = (uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(ep_hw_index)); for(i=0; i<size; i++) buf[i] = data[i]; /* Set transfer length and trigger IN transfer */ USBD_SET_PAYLOAD_LEN(ep_hw_index, size); } return EP_PENDING; } EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint)))) return EP_COMPLETED; return EP_PENDING; } void USBHAL::stallEndpoint(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return; USBD_SetStall(NU_EPH2EPL(ep_hw_index)); } void USBHAL::unstallEndpoint(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return; USBD_ClearStall(NU_EPH2EPL(ep_hw_index)); } bool USBHAL::getEndpointStallState(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return false; return USBD_GetStall(NU_EPH2EPL(ep_hw_index)) ? 1 : 0; } void USBHAL::_usbisr(void) { MBED_ASSERT(instance); instance->usbisr(); } void USBHAL::usbisr(void) { uint32_t u32IntSts = USBD_GET_INT_FLAG(); uint32_t u32State = USBD_GET_BUS_STATE(); //------------------------------------------------------------------ if(u32IntSts & USBD_INTSTS_VBDETIF_Msk) { // Floating detect USBD_CLR_INT_FLAG(USBD_INTSTS_VBDETIF_Msk); if(USBD_IS_ATTACHED()) { /* USB Plug In */ USBD_ENABLE_USB(); } else { /* USB Un-plug */ USBD_DISABLE_USB(); } } //------------------------------------------------------------------ if(u32IntSts & USBD_INTSTS_BUSIF_Msk) { /* Clear event flag */ USBD_CLR_INT_FLAG(USBD_INTSTS_BUSIF_Msk); if(u32State & USBD_ATTR_USBRST_Msk) { /* Bus reset */ USBD_ENABLE_USB(); USBD_SwReset(); } if(u32State & USBD_ATTR_SUSPEND_Msk) { /* Enable USB but disable PHY */ USBD_DISABLE_PHY(); } if(u32State & USBD_ATTR_RESUME_Msk) { /* Enable USB and enable PHY */ USBD_ENABLE_USB(); } } if(u32IntSts & USBD_INTSTS_USBIF_Msk) { // USB event if(u32IntSts & USBD_INTSTS_SETUP_Msk) { // Setup packet /* Clear event flag */ USBD_CLR_INT_FLAG(USBD_INTSTS_SETUP_Msk); /* Clear the data IN/OUT ready flag of control end-points */ USBD_STOP_TRANSACTION(EP0); USBD_STOP_TRANSACTION(EP1); EP0setupCallback(); } // EP events if(u32IntSts & USBD_INTSTS_EP0) { /* Clear event flag */ USBD_CLR_INT_FLAG(USBD_INTSTS_EP0); // control IN EP0in(); // In ACK for Set address if((g_usbd_SetupPacket[0] == REQ_STANDARD) && (g_usbd_SetupPacket[1] == USBD_SET_ADDRESS)) { if((USBD_GET_ADDR() != s_usb_addr) && (USBD_GET_ADDR() == 0)) { USBD_SET_ADDR(s_usb_addr); } } } if(u32IntSts & USBD_INTSTS_EP1) { /* Clear event flag */ USBD_CLR_INT_FLAG(USBD_INTSTS_EP1); // control OUT EP0out(); } uint32_t gintsts_epx = (u32IntSts >> 18) & 0x3F; uint32_t ep_hw_index = 2; while (gintsts_epx) { if(gintsts_epx & 0x01) { uint32_t ep_status = (USBD_GET_EP_FLAG() >> (ep_hw_index * 3 + 8)) & 0x7; /* Clear event flag */ USBD_CLR_INT_FLAG(1 << (ep_hw_index + 16)); if(ep_status == 0x02 || ep_status == 0x06 || (ep_status == 0x07 && NU_EPH2EPL(ep_hw_index) == 3)) { //RX if(ep_status == 0x07) SOF(frame_cnt++); if ((instance->*(epCallback[ep_hw_index-2]))()) { } USBD_SET_PAYLOAD_LEN(ep_hw_index,s_ep_mxp[NU_EPH2EPL(ep_hw_index)]); } else if(ep_status == 0x00 || ep_status == 0x07) { //TX s_ep_compl &= ~(1 << (NU_EPH2EPL(ep_hw_index))); if ((instance->*(epCallback[ep_hw_index-2]))()) { } } } gintsts_epx = gintsts_epx >> 1; ep_hw_index++; } } } #else static volatile uint32_t s_ep_compl = 0; static volatile uint32_t s_ep_buf_ind = 0; static volatile uint8_t s_usb_addr = 0; static volatile S_HSUSBD_CMD_T s_setup; static volatile uint16_t s_ctrlin_packetsize; static uint8_t *g_usbd_CtrlInPointer = 0; static uint32_t g_usbd_CtrlMaxPktSize = 64; static volatile uint32_t g_usbd_CtrlInSize; static uint32_t g_usbd_ShortPacket = 0; //static uint32_t gEpRead = 0; static uint32_t gEpReadCnt = 0; void HSUSBD_CtrlInput(void) { unsigned volatile i; uint32_t volatile count; // Process remained data if(g_usbd_CtrlInSize >= g_usbd_CtrlMaxPktSize) { // Data size > MXPLD for (i=0; i<(g_usbd_CtrlMaxPktSize >> 2); i++, g_usbd_CtrlInPointer+=4) HSUSBD->CEPDAT = *(uint32_t *)g_usbd_CtrlInPointer; HSUSBD_START_CEP_IN(g_usbd_CtrlMaxPktSize); g_usbd_CtrlInSize -= g_usbd_CtrlMaxPktSize; } else { // Data size <= MXPLD for (i=0; i<(g_usbd_CtrlInSize >> 2); i++, g_usbd_CtrlInPointer+=4) HSUSBD->CEPDAT = *(uint32_t *)g_usbd_CtrlInPointer; count = g_usbd_CtrlInSize % 4; for (i=0; i<count; i++) HSUSBD->CEPDAT_BYTE = *(uint8_t *)(g_usbd_CtrlInPointer + i); HSUSBD_START_CEP_IN(g_usbd_CtrlInSize); g_usbd_CtrlInPointer = 0; g_usbd_CtrlInSize = 0; } } USBHAL::USBHAL(void) { SYS_UnlockReg(); s_ep_buf_ind = 0; memset(epCallback, 0x00, sizeof (epCallback)); epCallback[0] = &USBHAL::EP1_OUT_callback; epCallback[1] = &USBHAL::EP2_IN_callback; epCallback[2] = &USBHAL::EP3_OUT_callback; epCallback[3] = &USBHAL::EP4_IN_callback; epCallback[4] = &USBHAL::EP5_OUT_callback; epCallback[5] = &USBHAL::EP6_IN_callback; epCallback[6] = &USBHAL::EP7_OUT_callback; epCallback[7] = &USBHAL::EP8_IN_callback; epCallback[8] = &USBHAL::EP9_OUT_callback; epCallback[9] = &USBHAL::EP10_IN_callback; epCallback[10] = &USBHAL::EP11_OUT_callback; epCallback[11] = &USBHAL::EP12_IN_callback; instance = this; /* Configure HSUSB to Device mode */ SYS->USBPHY = (SYS->USBPHY & ~SYS_USBPHY_HSUSBROLE_Msk) | SYS_USBPHY_HSUSBROLE_STD_USBD; /* Enable HSUSB PHY */ SYS->USBPHY = (SYS->USBPHY & ~(SYS_USBPHY_HSUSBEN_Msk | SYS_USBPHY_HSUSBACT_Msk)) | SYS_USBPHY_HSUSBEN_Msk; /* Delay >10 us and then switch HSUSB PHY from reset state to active state */ wait_us(10); SYS->USBPHY |= SYS_USBPHY_HSUSBACT_Msk; /* Enable USBD module clock */ CLK_EnableModuleClock(HSUSBD_MODULE); /* Enable USB PHY and wait for it ready */ HSUSBD_ENABLE_PHY(); while (1) { HSUSBD->EP[0].EPMPS = 0x20; if (HSUSBD->EP[0].EPMPS == 0x20) break; } /* Force to full-speed */ HSUSBD->OPER = 0;//USBD_OPER_HISPDEN_Msk; /* Set SE0 (disconnect) */ HSUSBD_SET_SE0(); NVIC_SetVector(USBD20_IRQn, (uint32_t) &_usbisr); NVIC_EnableIRQ(USBD20_IRQn); } USBHAL::~USBHAL(void) { NVIC_DisableIRQ(USBD20_IRQn); HSUSBD_SET_SE0(); HSUSBD_DISABLE_PHY(); } void USBHAL::connect(void) { HSUSBD_ResetDMA(); HSUSBD_SET_ADDR(0); /** * Control Transfer Packet Size Constraints * low-speed: 8 * full-speed: 8, 16, 32, 64 * high-speed: 64 */ /* Control endpoint */ HSUSBD_SetEpBufAddr(CEP, s_ep_buf_ind, MAX_PACKET_SIZE_EP0); s_ep_buf_ind = MAX_PACKET_SIZE_EP0; /* Enable USB/CEP interrupt */ HSUSBD_ENABLE_USB_INT(HSUSBD_GINTEN_USBIEN_Msk | HSUSBD_GINTEN_CEPIEN_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_SETUPPKIEN_Msk|HSUSBD_CEPINTEN_STSDONEIEN_Msk); /* Enable BUS interrupt */ HSUSBD_ENABLE_BUS_INT( HSUSBD_BUSINTEN_DMADONEIEN_Msk | HSUSBD_BUSINTEN_RESUMEIEN_Msk | HSUSBD_BUSINTEN_RSTIEN_Msk | HSUSBD_BUSINTEN_VBUSDETIEN_Msk | HSUSBD_BUSINTEN_SOFIEN_Msk ); /* Clear SE0 (connect) */ HSUSBD_CLR_SE0(); } void USBHAL::disconnect(void) { /* Set SE0 (disconnect) */ HSUSBD_SET_SE0(); } void USBHAL::configureDevice(void) { /** * In USBDevice.cpp > USBDevice::requestSetConfiguration, configureDevice() is called after realiseEndpoint() (in USBCallback_setConfiguration()). * So we have the following USB buffer management policy: * 1. Allocate for CEP on connect(). * 2. Allocate for EPX in realiseEndpoint(). * 3. Deallocate all except for CEP in unconfigureDevice(). */ } void USBHAL::unconfigureDevice(void) { s_ep_buf_ind = MAX_PACKET_SIZE_EP0; } void USBHAL::setAddress(uint8_t address) { // NOTE: Delay address setting; otherwise, USB controller won't ack. s_usb_addr = address; } void USBHAL::remoteWakeup(void) { HSUSBD->OPER |= HSUSBD_OPER_RESUMEEN_Msk; } bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options) { uint32_t ep_type; uint32_t ep_hw_index = NU_EP2EPH(endpoint); HSUSBD_SetEpBufAddr(ep_hw_index, s_ep_buf_ind, maxPacket); s_ep_buf_ind += maxPacket; HSUSBD_SET_MAX_PAYLOAD(ep_hw_index, maxPacket); switch (NU_EP2EPL(endpoint)) { case 1: case 2: ep_type = HSUSBD_EP_CFG_TYPE_INT; break; case 3: case 4: ep_type = HSUSBD_EP_CFG_TYPE_ISO; break; default: ep_type = HSUSBD_EP_CFG_TYPE_BULK; } uint32_t ep_dir = (NU_EP_DIR(endpoint) == NU_EP_DIR_IN) ? HSUSBD_EP_CFG_DIR_IN : HSUSBD_EP_CFG_DIR_OUT; HSUSBD_ConfigEp(ep_hw_index, NU_EP2EPL(endpoint), ep_type, ep_dir); /* Enable USB/EPX interrupt */ // NOTE: Require USBD_GINTEN_EPAIE_Pos, USBD_GINTEN_EPBIE_Pos, ... USBD_GINTEN_EPLIE_Pos to be consecutive. HSUSBD_ENABLE_USB_INT(HSUSBD->GINTEN | HSUSBD_GINTEN_USBIEN_Msk | HSUSBD_GINTEN_CEPIEN_Msk | 1 << (ep_hw_index + HSUSBD_GINTEN_EPAIEN_Pos)); // Added USB/EPX interrupt if (ep_dir == 0) HSUSBD_ENABLE_EP_INT(ep_hw_index, HSUSBD_EPINTEN_RXPKIEN_Msk); else HSUSBD_ENABLE_EP_INT(ep_hw_index, HSUSBD_EPINTEN_TXPKIEN_Msk); return true; } void USBHAL::EP0setup(uint8_t *buffer) { uint32_t sz; endpointReadResult(EP0OUT, buffer, &sz); } void USBHAL::EP0read(void) { if (s_setup.wLength && ! (s_setup.bmRequestType & 0x80)) { // Control OUT HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_SETUPPKIEN_Msk | HSUSBD_CEPINTEN_RXPKIEN_Msk); } else { // Status stage HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_STSDONEIF_Msk); HSUSBD_SET_CEP_STATE(HSUSBD_CEPCTL_NAKCLR); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_STSDONEIEN_Msk); } } void USBHAL::EP0readStage(void) { // N/A } uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { uint32_t i; uint32_t ceprxcnt = HSUSBD->CEPRXCNT; for (i = 0; i < ceprxcnt; i ++) *buffer ++ = HSUSBD->CEPDAT_BYTE; return ceprxcnt; } void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { if (buffer && size) { g_usbd_CtrlInPointer = buffer; g_usbd_CtrlInSize = size; HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_INTKIF_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_INTKIEN_Msk); } else { /* Status stage */ s_ctrlin_packetsize = 0; HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_STSDONEIF_Msk); HSUSBD_SET_CEP_STATE(HSUSBD_CEPCTL_NAKCLR); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_STSDONEIEN_Msk); } } void USBHAL::EP0getWriteResult(void) { // N/A } void USBHAL::EP0stall(void) { stallEndpoint(EP0OUT); } EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { return EP_PENDING; } EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) //spcheng { if(endpoint == EP0OUT) { if (buffer) { *((uint16_t *) (buffer + 0)) = (uint16_t) HSUSBD->SETUP1_0; *((uint16_t *) (buffer + 2)) = (uint16_t) HSUSBD->SETUP3_2; *((uint16_t *) (buffer + 4)) = (uint16_t) HSUSBD->SETUP5_4; *((uint16_t *) (buffer + 6)) = (uint16_t) HSUSBD->SETUP7_6; } s_setup.bmRequestType = (uint8_t) (HSUSBD->SETUP1_0 & 0xff); s_setup.bRequest = (int8_t) (HSUSBD->SETUP1_0 >> 8) & 0xff; s_setup.wValue = (uint16_t) HSUSBD->SETUP3_2; s_setup.wIndex = (uint16_t) HSUSBD->SETUP5_4; s_setup.wLength = (uint16_t) HSUSBD->SETUP7_6; } else { if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint)))) { while(1) { if (!(HSUSBD->DMACTL & HSUSBD_DMACTL_DMAEN_Msk)) break; else if (!HSUSBD_IS_ATTACHED()) break; } gEpReadCnt = HSUSBD_GET_EP_DATA_COUNT(NU_EP2EPH(endpoint)); if(gEpReadCnt == 0) { *bytesRead = 0; return EP_COMPLETED; } s_ep_compl |= (1 << NU_EP2EPL(endpoint)); HSUSBD_SET_DMA_LEN(gEpReadCnt); HSUSBD_SET_DMA_ADDR((uint32_t)buffer); HSUSBD_SET_DMA_WRITE(NU_EP2EPL(endpoint)); HSUSBD_ENABLE_DMA(); return EP_PENDING;; } else { if ((HSUSBD->DMACTL & HSUSBD_DMACTL_DMAEN_Msk)) return EP_PENDING;; HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_DMADONEIF_Msk); s_ep_compl &= ~(1 << NU_EP2EPL(endpoint)); *bytesRead = gEpReadCnt; } } return EP_COMPLETED; } uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { return 0; } EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { uint32_t ep_logic_index = NU_EP2EPL(endpoint); if(ep_logic_index == 0) return EP_INVALID; else { uint32_t ep_hw_index = NU_EP2EPH(endpoint); uint32_t mps = HSUSBD_GET_EP_MAX_PAYLOAD(ep_hw_index); if (size > mps) { return EP_INVALID; } if(size < mps) g_usbd_ShortPacket = 1; if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint)))) { s_ep_compl |= (1 << ep_logic_index); while(1) { if (!(HSUSBD->DMACTL & HSUSBD_DMACTL_DMAEN_Msk)) break; else if (!HSUSBD_IS_ATTACHED()) break; } HSUSBD_SET_DMA_LEN(size); HSUSBD_SET_DMA_ADDR((uint32_t)data); HSUSBD_SET_DMA_READ(ep_logic_index); HSUSBD_ENABLE_DMA(); } } return EP_PENDING; } EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint)))) return EP_COMPLETED; else { if((HSUSBD_GET_EP_DATA_COUNT(NU_EP2EPH(endpoint))) == 0 && !(HSUSBD->DMACTL & HSUSBD_DMACTL_DMAEN_Msk)) { s_ep_compl &= ~(s_ep_compl & (1 << NU_EP2EPL(endpoint))); return EP_COMPLETED; } } return EP_PENDING; } void USBHAL::stallEndpoint(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return; HSUSBD_SetStall(ep_hw_index); } void USBHAL::unstallEndpoint(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return; HSUSBD_ClearStall(ep_hw_index); } bool USBHAL::getEndpointStallState(uint8_t endpoint) { uint32_t ep_hw_index = NU_EP2EPH(endpoint); if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS) return false; return HSUSBD_GetStall(ep_hw_index) ? 1 : 0; } void USBHAL::_usbisr(void) { MBED_ASSERT(instance); instance->usbisr(); } void USBHAL::usbisr(void) { uint32_t gintsts = HSUSBD->GINTSTS & HSUSBD->GINTEN; if (! gintsts) return; if (gintsts & HSUSBD_GINTSTS_USBIF_Msk) { uint32_t busintsts = HSUSBD->BUSINTSTS & HSUSBD->BUSINTEN; /* SOF */ if (busintsts & HSUSBD_BUSINTSTS_SOFIF_Msk) { HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_SOFIF_Msk); // TODO SOF(HSUSBD->FRAMECNT >> 3); } /* Reset */ if (busintsts & HSUSBD_BUSINTSTS_RSTIF_Msk) { connect(); HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_RSTIF_Msk); HSUSBD_CLR_CEP_INT_FLAG(0x1ffc); } /* Resume */ if (busintsts & HSUSBD_BUSINTSTS_RESUMEIF_Msk) { HSUSBD_ENABLE_BUS_INT(HSUSBD_BUSINTEN_RSTIEN_Msk|HSUSBD_BUSINTEN_SUSPENDIEN_Msk | HSUSBD_BUSINTEN_SOFIEN_Msk | HSUSBD_BUSINTEN_SOFIEN_Msk); HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_RESUMEIF_Msk); } /* Suspend */ if (busintsts & HSUSBD_BUSINTSTS_SUSPENDIF_Msk) { HSUSBD_ENABLE_BUS_INT(HSUSBD_BUSINTEN_RSTIEN_Msk | HSUSBD_BUSINTEN_RESUMEIEN_Msk |HSUSBD_BUSINTEN_SOFIEN_Msk); HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_SUSPENDIF_Msk); } /* High-speed */ if (busintsts & HSUSBD_BUSINTSTS_HISPDIF_Msk) { HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_SETUPPKIEN_Msk); HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_HISPDIF_Msk); } /* DMA */ if (busintsts & HSUSBD_BUSINTSTS_DMADONEIF_Msk) { if(HSUSBD->DMACTL & 0x10) { /* IN - Read */ if(g_usbd_ShortPacket) { uint32_t ep_hw_index = NU_EPL2EPH((HSUSBD->DMACTL & 0xF)); HSUSBD_SET_EP_SHORT_PACKET(ep_hw_index); g_usbd_ShortPacket = 0; } } HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_DMADONEIF_Msk); } /* PHY clock available */ if (busintsts & HSUSBD_BUSINTSTS_PHYCLKVLDIF_Msk) { HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_PHYCLKVLDIF_Msk); } /* VBUS plug-in */ if (busintsts & HSUSBD_BUSINTSTS_VBUSDETIF_Msk) { if (HSUSBD_IS_ATTACHED()) { // USB plug-in HSUSBD_ENABLE_USB(); } else { // USB unplug-out HSUSBD_DISABLE_USB(); } HSUSBD_CLR_BUS_INT_FLAG(HSUSBD_BUSINTSTS_VBUSDETIF_Msk); } } /* CEP interrupts */ if (gintsts & HSUSBD_GINTSTS_CEPIF_Msk) { uint32_t cepintsts = HSUSBD->CEPINTSTS & HSUSBD->CEPINTEN; /* SETUP token packet */ if (cepintsts & HSUSBD_CEPINTSTS_SETUPTKIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_SETUPTKIF_Msk); return; } /* SETUP transaction */ if (cepintsts & HSUSBD_CEPINTSTS_SETUPPKIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_SETUPPKIF_Msk); EP0setupCallback(); return; } /* OUT token packet */ if (cepintsts & HSUSBD_CEPINTSTS_OUTTKIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_OUTTKIF_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_STSDONEIEN_Msk); return; } /* IN token packet */ if (cepintsts & HSUSBD_CEPINTSTS_INTKIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_INTKIF_Msk); if (!(cepintsts & HSUSBD_CEPINTSTS_STSDONEIF_Msk)) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_TXPKIF_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_TXPKIEN_Msk); HSUSBD_CtrlInput(); } else { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_TXPKIF_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_TXPKIEN_Msk|HSUSBD_CEPINTEN_STSDONEIEN_Msk); } return; } /* PING packet */ if (cepintsts & HSUSBD_CEPINTSTS_PINGIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_PINGIF_Msk); return; } /* IN transaction */ if (cepintsts & HSUSBD_CEPINTSTS_TXPKIF_Msk) { EP0in(); HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_TXPKIF_Msk); return; } /* OUT transaction */ if (cepintsts & HSUSBD_CEPINTSTS_RXPKIF_Msk) { EP0out(); HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_RXPKIF_Msk); return; } /* NAK handshake packet */ if (cepintsts & HSUSBD_CEPINTSTS_NAKIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_NAKIF_Msk); return; } /* STALL handshake packet */ if (cepintsts & HSUSBD_CEPINTSTS_STALLIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_STALLIF_Msk); return; } /* ERR special packet */ if (cepintsts & HSUSBD_CEPINTSTS_ERRIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_ERRIF_Msk); return; } /* Status stage transaction */ if (cepintsts & HSUSBD_CEPINTSTS_STSDONEIF_Msk) { if (s_usb_addr) { HSUSBD_SET_ADDR(s_usb_addr); s_usb_addr = 0; } HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_STSDONEIF_Msk); HSUSBD_ENABLE_CEP_INT(HSUSBD_CEPINTEN_SETUPPKIEN_Msk); return; } /* Buffer Full */ if (cepintsts & HSUSBD_CEPINTSTS_BUFFULLIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_BUFFULLIF_Msk); return; } /* Buffer Empty */ if (cepintsts & HSUSBD_CEPINTSTS_BUFEMPTYIF_Msk) { HSUSBD_CLR_CEP_INT_FLAG(HSUSBD_CEPINTSTS_BUFEMPTYIF_Msk); return; } } /* EPA, EPB, EPC, ... EPL interrupts */ uint32_t gintsts_epx = gintsts >> 2; uint32_t ep_hw_index = 0; while (gintsts_epx) { if(gintsts_epx & 0x01) { uint32_t epxintsts = HSUSBD_GET_EP_INT_FLAG(ep_hw_index) & HSUSBD_GET_EP_INT_EN(ep_hw_index); HSUSBD_CLR_EP_INT_FLAG(ep_hw_index, epxintsts); /* Buffer Full */ if (epxintsts & HSUSBD_EPINTSTS_BUFFULLIF_Msk) { } /* Buffer Empty */ if (epxintsts & HSUSBD_EPINTSTS_BUFEMPTYIF_Msk) { } /* Short Packet Transferred */ if (epxintsts & HSUSBD_EPINTSTS_SHORTTXIF_Msk) { } /* Data Packet Transmitted */ if (epxintsts & HSUSBD_EPINTSTS_TXPKIF_Msk) { s_ep_compl &= ~(1 << (NU_EPH2EPL(ep_hw_index))); if ((instance->*(epCallback[ep_hw_index]))()) { } } /* Data Packet Received */ if (epxintsts & HSUSBD_EPINTSTS_RXPKIF_Msk) { if ((instance->*(epCallback[ep_hw_index]))()) { } } /* OUT token packet */ if (epxintsts & HSUSBD_EPINTSTS_OUTTKIF_Msk) { } /* IN token packet */ if (epxintsts & HSUSBD_EPINTSTS_INTKIF_Msk) { } /* PING packet */ if (epxintsts & HSUSBD_EPINTSTS_PINGIF_Msk) { } /* NAK handshake packet sent to Host */ if (epxintsts & HSUSBD_EPINTSTS_NAKIF_Msk) { } /* STALL handshake packet sent to Host */ if (epxintsts & HSUSBD_EPINTSTS_STALLIF_Msk) { } /* NYET handshake packet sent to Host */ if (epxintsts & HSUSBD_EPINTSTS_NYETIF_Msk) { } /* ERR packet sent to Host */ if (epxintsts & HSUSBD_EPINTSTS_ERRIF_Msk) { } /* Bulk Out Short Packet Received */ if (epxintsts & HSUSBD_EPINTSTS_SHORTRXIF_Msk) { } } gintsts_epx = gintsts_epx >> 1; ep_hw_index++; } } #endif #endif